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listusb: dump video streams from UVC devices.

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This commit is contained in:
Adrien Destugues
2016-11-02 15:26:04 +01:00
parent e64640878a
commit 12431ebff4
2 changed files with 293 additions and 2 deletions
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headers/os/drivers/usb/USB_video.h
+56
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@@ -52,6 +52,30 @@ enum { // Video Class-Specific VideoControl Interface descriptor subtypes
};
enum { // Video Class-Specific VideoStreaming Interface descriptor subtypes
USB_VIDEO_VS_UNDEFINED = 0x00,
USB_VIDEO_VS_INPUT_HEADER = 0x01,
USB_VIDEO_VS_OUTPUT_HEADER = 0x02,
USB_VIDEO_VS_STILL_IMAGE_FRAME = 0x03,
USB_VIDEO_VS_FORMAT_UNCOMPRESSED = 0x04,
USB_VIDEO_VS_FRAME_UNCOMPRESSED = 0x05,
USB_VIDEO_VS_FORMAT_MJPEG = 0x06,
USB_VIDEO_VS_FRAME_MJPEG = 0x07,
USB_VIDEO_VS_FORMAT_MPEG2TS = 0x0a,
USB_VIDEO_VS_FORMAT_DV = 0x0c,
USB_VIDEO_VS_COLORFORMAT = 0x0d,
USB_VIDEO_VS_FORMAT_FRAME_BASED = 0x10,
USB_VIDEO_VS_FRAME_FRAME_BASED = 0x11,
USB_VIDEO_VS_FORMAT_STREAM_BASED = 0x12,
USB_VIDEO_VS_FORMAT_H264 = 0x13,
USB_VIDEO_VS_FRAME_H264 = 0x14,
USB_VIDEO_VS_FORMAT_H264_SIMULCAST = 0x15,
USB_VIDEO_VS_FORMAT_VP8 = 0x16,
USB_VIDEO_VS_FRAME_VP8 = 0x17,
USB_VIDEO_VS_FORMAT_VP8_SIMULCAST = 0x18,
};
enum {
// USB Terminal Types
USB_VIDEO_VENDOR_USB_IO = 0x100,
@@ -72,6 +96,14 @@ enum {
};
enum {
EP_SUBTYPE_UNDEFINED = 0x00,
EP_SUBTYPE_GENERAL = 0x01,
EP_SUBTYPE_ENDPOINT = 0x02,
EP_SUBTYPE_INTERRUPT = 0x03,
};
// Class Specific Video Control Interface Header
// 1.5: Table 3-3 p.48
typedef struct {
@@ -139,4 +171,28 @@ typedef struct {
} _PACKED usb_video_processing_unit_descriptor;
struct usb_video_frame_descriptor {
uint8 length;
uint8 descriptor_type;
uint8 descriptor_subtype;
uint8 frame_index;
uint8 capabilities;
uint16 width;
uint16 height;
uint32 min_bit_rate;
uint32 max_bit_rate;
uint32 max_video_frame_buffer_size;
uint32 default_frame_interval;
uint8 frame_interval_type;
union {
struct {
uint32 min_frame_interval;
uint32 max_frame_tnterval;
uint32 frame_interval_step;
} continuous;
uint32 discrete_frame_intervals[0];
};
} _PACKED;
#endif /* !USB_VIDEO_H */